Two train each 500 metre long are running in opposite directions on parallel tracks If their speeds ...........

Quantitative Aptitude ( CCS) Problems on trains

Two train each 500 metre long, are running in opposite directions on parallel tracks. If their speeds are 45 km/hr and 30 km/hr respectively, the time taken by the slower train to pass the driver of the faster one is

50s

58s

24s

22s

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Explanation:

Relative speed =(45+30) = 75 km/hr
=75×5/18 = 125/6 m/s
We are calculating the time taken by the slower train to pass the driver of the faster one.
Distance = length of the slower train =500 metre
Time =500(125/6) = 24s

Hence, option 3 is the correct answer.